TY  - GEN
AU  - Pearsall,Deborah
TI  - Modern agronomic practices and agricultural productivity
T2  - University of Pittsburgh Memoirs in latin american archaeology, 8
SN  - 1877812102
KW  - Etude expérimentale
KW  - Agriculture
KW  - Production agricole
KW  - Utilisation du sol
KW  - Exploitation agricole
KW  - Productivité
KW  - Maïs
KW  - Equateur
KW  - Manabí
KW  - Vallée Jama
ER  -